Guinevere, The Fallen

Flying
Creature tokens you control have lifelink
{w/b}{w/b}{t} Create a 2/2 raven creature token.
with flying
Whenever a non-token creature on your side
of the battlefield dies, create a 2/2 raven
token for each creature that died this turn.
After Arthur's death Guinevere took a turn
for the worst.